Improvement in sheet-metal roller-seaming machines



P. A. WHITNEY; SHEET-METAL ROLLER-SEAMING MACHINES.

No. 195,066, Eatgnted. Sept.11-,187'7..

-ig'gn I I 5: I

e 1 3 -d F ATTOBNER N. FEI'ERS, PHUTOJLITHOGRAPHER. WASHINGTON, u \l.

UNITED STATES OFFICE.

PARDON A. WHITNEY, OF SOUTHINGTON, CONNECTICUT.

IMPROVEMENT IN SHEET-METAL ROLLER-SEAMING ,MACHINES.

, I Specification forming part of Letters Patent No. 195,066, datedSeptember 11, 1877; application filed July 17, 1877.

.To all whom it may concern:

Be it known that I, PARDON A. WHITNEY, of Southington, in the county ofHartford and State of Connecticut, have invented a new and ImprovedSheet-Metal-Burring Machine, of which the following is a specification:

Figure l is a side elevation, in partial section, on line 00 0c inFig.2. Fig.2 is a horizontal section on line 3 y in Fig. 1. Fig. 3 is adetail view of one of the journal-boxes, in section, on line 2 z in Fig.1.

Similar letters of reference indicate corresponding parts.

The invention relates to the construction of the shaft-journals andjournal-boxes, as hereinafter described.

The shafts a b are of a uniform diameter from the burrs e f to the gearsg 11, so that they may slide through their journal-boxes. The lowershaftbisjournaled in afixed bearing at the front of the machine, and isturned down at 71, forming shoulders j k. Upon the portion 73, andbetween'the said shoulders, a cylindrical box, Z, is placed, which issplit longitudinally, and is placed in a hole, m, in the frame A, whereit is clamped by the screw n. When the screw it is loosened, the box I,together with the shaft 1), may be moved longitudinally within certainlimits.

The front box 0 of the shaft a is solid, and is fitted to a rectangularopening at the front of the frame A, and is provided with projections12, that are fitted to grooves q formed in the frame A at the sides ofthe rectangular opening. A spiral spring, 0', bears this box up, and thescrew 8 passes through the cap d and bears upon the top of the box.

The shaft a is turned down at t, and fitted to a box, to, placed in anopening in the back of the frame, which box consists of a lower part, v,having ears w, and a cap, a, that is fitted between the ears w, and isheld in place by a pin, b, that passes through the sides of the frame Aand forms a pivot, upon which the box swings.

Having thus described myinvention, I claim as new and desire to secureby Letters Patent 1. In a sheet-metal-burring machine, the combinationof the shaft 1), having the reduced portion 6 between the shoulders j k,the cylindrical box Z, made in two parts, the setscrew n, and the framehaving the hole m, to

receive and permit adjustment and removal of the parts b l, as shown anddescribed.

2. The box a, consisting of the pa t '0, having ears to, the cap a, andthe pin b, in combination with the frame A and shaft a, substantially asshown and described.

PARDON A. WHITNEY.

Witnesses SoL. FINCH, M. H. HOLOOMB.

